August 2009
Intermediate to advanced
893 pages
26h 48m
English
Content preview from Database Systems: Concepts, Design and Applications
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State True/False
| 1. | ORDBMS is an extended RDBMS with object-oriented features. |
| 2. | Object-relational DBMS (ORDBMS) is also called enhanced relational DBMSs (ERDBMSs). |
| 3. | ORDBMSs have good representation capabilities of ‘real world’ entities. |
| 4. | ORDBMS has poor support for integrity and enterprise constraints. |
| 5. | ORDBMS has difficulty in handling recursive queries due to atomicity (repeating groups not allowed) of data. |
| 6. | SQL/Foundation deals with new data types, new predicates, relational operations, cursors, rules and triggers, user-defined types (UDTs), transaction capabilities and stored routines. |
| 7. | SQL/Temporal deals with embedded SQL and Direct Invocation. |
| 8. | SQL/Bindings deal with historic data, time series data, versions and other temporal extensions. ... |
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